2015
DOI: 10.1109/tpel.2014.2344098
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Abstract: Power oscillation and current quality are the important performance targets for the grid-connected inverter under unbalanced grid faults. Firstly, the inherent reason for the current harmonic and power oscillation of the inverter is discussed with a quantitative analysis. Secondly, a new control strategy is proposed to achieve the coordinate control of power and current quality without the need for a phase-locked loop (PLL) or voltage/current positive/negative sequence extraction calculation. Finally, the expe… Show more

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Cited by 123 publications
(67 citation statements)
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“…LCL-filter-based grid-connected inverters have been widely discussed in [1][2][3][4]. One of the important issues is their stability.…”
Section: Introductionmentioning
confidence: 99%
“…LCL-filter-based grid-connected inverters have been widely discussed in [1][2][3][4]. One of the important issues is their stability.…”
Section: Introductionmentioning
confidence: 99%
“…It should be noted that the CMV and EMI reductions of the four-level NNPC inverter are focused for PV power plant. Other issues such as grid synchronization, control, and protection [21][22][23][24][25][26] are beyond the scope of the paper. …”
Section: Resultsmentioning
confidence: 99%
“…The asymmetric and comprehensive modelling, parameter design and stability analysis of VSG LVRT control under unbalanced voltage sags would be a subject of future research. One feasible way for parameters design is to adopt the proper parameters that work well under the balanced grid [25][26][27], and regulate them combining with practical experience.…”
Section: Unified Form Of Prgmentioning
confidence: 99%